Datasheet

(V
IN
= 10V, I
OUT
= 0mA, T
A
= +25°C, unless otherwise noted.)
0
5
10
15
20
25
30
35
40
45
50
10 100 1k 10k
MAX6225
OUTPUT NOISE-VOLTAGE
DENSITY vs. FREQUENCY
FREQUENCY (Hz)
C
NR
= 0µF
C
NR
= 1µF
OUTPUT NOISE DENSITY (nV/√ Hz)
MAX6225 toc10
0
10
20
30
40
50
60
70
80
90
10 100 1k 10k
MAX6241
OUTPUT NOISE-VOLTAGE
DENSITY vs. FREQUENCY
FREQUENCY (Hz)
MAX6225 toc11
C
NR
= 0µF
C
NR
= 1µF
OUTPUT NOISE DENSITY (nV/√ Hz)
0
10
20
30
40
50
60
70
80
100
90
10 100 1k 10k
MAX6250
OUTPUT NOISE-VOLTAGE
DENSITY vs. FREQUENCY
FREQUENCY (Hz)
C
NR
= 0µF
C
NR
= 1µF
OUTPUT NOISE DENSITY (nV/√Hz)
MAX6225 toc12
MAX6225
0.1Hz to 10Hz NOISE
MAX6225 toc13
V
OUT
, 0.5µV/div
1sec/div
C
OUT
= C
NR
= 0µF
MAX6241
0.1Hz to 10Hz NOISE
V
OUT
, 1µV/div
1sec/div
C
OUT
= C
NR
= 0mF
MAX6225 toc14
MAX6250
0.1Hz to 10Hz NOISE
V
OUT
, 1µV/div
1sec/div
C
OUT
= C
NR
= 0µF
MAX6225 toc15
10 1M10k
FREQUENCY (Hz)
100 1k 100k
100
0.01
OUTPUT IMPEDANCE vs. FREQUENCY
0.1
OUTPUT IMPEDANCE (Ω)
1
10
I
SINK
= 5mA
I
SOURCE
= 5mA
MAX6225 toc16
60
70
80
90
100
110
120
10 100 1k 10k
RIPPLE REJECTION
vs. FREQUENCY (C
NR
= 1µF)
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
MAX6241
MAX6225
MAX6250
MAX6225 toc17
60
65
70
75
80
85
90
95
10 100 1k 10k
RIPPLE REJECTION
vs. FREQUENCY (C
NR
= 0µF)
MAX6607/08 toc18
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
MAX6225
MAX6241
MAX6250
MAX6225/MAX6241/MAX6250 Low-Noise, Precision,
+2.5V/+4.096V/+5V Voltage References
Maxim Integrated │ 7
www.maximintegrated.com
Typical Operating Characteristics (continued)